Common Medical Prefixes Flashcards
ab-
Away from
a-
Without; away from Ex) aphasia (without speech)
ad-
Toward
allo-
Other, different from usual
an-
Without Ex) anoxia (without oxygen)
ante-
Before; in front of Ex) antepartum (before birth)
anti-
Against Ex) antibiotic (against life)
auto-
Self Ex) autograft (graft from ones own skin)
bi-
Two
brady-
Slow
circum-
Around
contra-
Against Ex) contraception (against conception)
de-
Without
dis-
apart
dys-
Painful, difficult, abnormal Ex) dyspnea (difficulty breathing)
e-
Outward, without
en-
Inward
endo-
Within; inner
epi-
Upon; over Ex) epigastric (on or over the stomach)
eso-
Inward Ex) esotropia (inward turning)
eu-
Normal; good Ex) eupnea (normal breathing)
ex-
External Ex) exostosis (condition of external bone)
exo-
Outward Ex) exotropia (outward turning)
extra-
Outside of Ex) extracorporeal (outside the body)
hemi-
Half
hetero-
Different Ex) heterograft (graft from different species)
homo-
Same Ex) homograft (graft from the same species)
hydro-
Water Ex) hydrotherapy (water therapy)
hyper-
Over; excessive Ex) hypertrophy (overdevelopment)
hypo-
Under; below Ex) hypodermic (under the skin)
in-
Not; inward Ex) infertility (not fertile); inhalation (to breathe in)
inter-
Among; between Ex) intervertebral (between the vertebrae)
intra-
Within; inside Ex) intravenous (inside a vein)
macro-
Large Ex) macrotia (having large ears)
micro-
Small Ex) microtia (having small ears)
mono-
One
multi-
Many
myo-
Shut Ex) myopia (to shut eyes or squint)
neo-
New Ex) neonatology (study of newborns)
nulli-
None
pan-
All Ex) pansinusitis (inflammation of all sinuses)
para-
Near; abnormal; a pair Ex) paranasal (near the nose); parasthesia (abnormal feeling); paraplegia (paralysis of a pair/ the legs)
per-
Through Ex) percutaneous (through the skin)
peri-
Around Ex) pericardial (around the heart)
poly-
Many
post-
After Ex) postpartum (after birth)
pre-
Before; in front of Ex) preoperative (before an operation)
primi-
First
pro-
Before Ex) prolactin (before milk)
pseudo-
False Ex) pseudocyesis (false pregnancy)